Lenovo tab 4 8 PLUS - Volume Controls
If your Tab 4 8 PLUS doesn't vibrate or make sounds when receiving texts, emails or alerts, here's how to adjust settings.
Adjusting volume controls can help if you're not getting notifications/sounds/vibrating when receiving texts or emails.
- From a Home screen, swipe up from the center of the display to access the apps screen.
- Navigate: .
- Adjust any of the following:Drag the slider left or right to adjust the level.
- Media volume
- Alarm volume
- Notification volume
The volume can also be adjusted by pressing the 
Volume buttons
(on the right edge) up (+) or down (-).